8-Chloro-4-(4-methyl-1-piperazinyl)[1,2,4]triazolo[4,3-a]quinoxaline CAS 903132-19-4
| CAS No. | 903132-19-4 |
| Molecular Formula | C14H15ClN6 |
| Molecular Weight | 302.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
8-Chloro-4-(4-methyl-1-piperazinyl)[1,2,4]triazolo[4,3-a]quinoxaline (CAS 903132-19-4), molecular formula C14H15ClN6 and molecular weight 302.76 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Chloro-4-(4-methyl-1-piperazinyl)[1,2,4]triazolo[4,3-a]quinoxaline (C14H15ClN6) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 302.76 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 8-Chloro-4-(4-methyl-1-piperazinyl)[1,2,4]triazolo[4,3-a]quinoxaline under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H15ClN6 |
| Molecular Weight | 302.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
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Recommended Standards
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- 1-Amino-3-(quinolin-2-yl)propan-2-ol (CAS 1522999-44-5)
- 1-Butyl-3-chloro-3-methylquinoline-2,4(1H,3H)-dione (CAS 144603-21-4)
- 2,3-Dihydro-1H-pyrazol-3-ol (CAS 2385200-03-1)
- 8-Fluoro-3-phenylchroman-4-one (CAS 1529771-67-2)
- 7-Methyl-2-(piperidin-4-yl)-1,3-benzoxazole (CAS 1267216-63-6)
- 3-((4-Nitrobenzyl)thio)-5,6-diphenyl-1,2,4-triazine (CAS 332109-90-7)
- tert-Butyl 4-(vinylsulfonyl)piperazine-1-carboxylate (CAS 1064052-68-1)
- 1-(4-Ethoxyphenyl)-N-methylethanamine (CAS 842955-24-2)
- 2-Cyclopenten-1-one (CAS 930-30-3)
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